Updated rainfall chance for May 19, 2018. An upper disturbance will slowly pull away to the northeast today, yielding the highest precipitation chances across extreme northeast Tennessee and southwest Virginia. Highs today will reach at or just above normal levels, especially across the southwest where skies are expected to scatter sooner.(Photo: National Weather Service Morristown)

The National Weather Service (NWS) issued a hazardous weather outlook early Saturday morning for East Tennessee, Southwest North Carolina and Southwest Virginia.

Stronger storms are possible across Northeast Tennessee Saturday afternoon with strong winds and potentially small hail, according to a weather advisory issued around 3 a.m.

Rainfall will also lead to some localized flooding especially in areas of poor drainage.

More thunderstorms

While there is no hazardous weather expected, Knoxville should still expect some thunderstorms.

The NWS forecast for Saturday evening calls for a 30 percent chance of thunderstorms with a low of 67 degrees.

On Sunday the temperature is expected to rise to 87 degrees, but the chance of thunderstorms falls to 40 percent during the day. This decreases even more in the evening to 20 percent, and the temperature will fall to 68.

There's at least a 40 percent chance of showers during the day through Wednesday with high temperatures averaging at 84 degrees. The evening temperatures cool down to about 66 degrees, but the chance of rain stays the same.

The rain is predicted to die down Thursday with only a 20 percent chance during the day and a partly-cloudy evening. It should be a hot, sunny day with the temperatures reaching 88 degrees. Temperatures are expected to cool down to 66 degrees in the evening.